public class Test {
    public static void main(String[] args) {
        System.out.println("this is master");//master修改。
        System.out.println("this is master");//hotfix修改
        System.out.println("this is master");//实战演练
        System.out.println("this is master");//测试2
        System.out.println("this is master");//hotfix修改.。
    }
}
